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Engine

8832 parts

Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.

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  • Revolution Performance, Llc - RP201-406W - Cylinder Kit - 1250 cc - Big Bore - Black - XL1200

    Revolution Performance, Llc - RP201-406W - Cylinder Kit - 1250 cc - Big Bore - Black - XL1200

    Revolution Performance

    $1,343.95
    Revolution Performance, Llc - RP201-406W - Cylinder Kit - 1250 cc - Big Bore - Black - XL1200Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...
    $1,343.95
    Qty in Cart: 0
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    $1,343.95
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  • Revolution Performance, Llc - RP201-404W - Cylinder Kit - 1250 cc - Big Bore - Natural Silver - XL1200

    Revolution Performance, Llc - RP201-404W - Cylinder Kit - 1250 cc - Big Bore - Natural Silver - XL1200

    Revolution Performance

    $1,343.95
    Revolution Performance, Llc - RP201-404W - Cylinder Kit - 1250 cc - Big Bore - Natural Silver - XL1200Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,343.95
    Qty in Cart: 0
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    $1,343.95
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  • Revolution Performance, Llc - RP201-611W - Cylinder Kit - 139" - Black with Highlighted Fins - 107" M8

    Revolution Performance, Llc - RP201-611W - Cylinder Kit - 139" - Black with Highlighted Fins - 107" M8

    Revolution Performance

    $1,899.95
    Revolution Performance, Llc - RP201-611W - Cylinder Kit - 139" - Black with Highlighted Fins - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,899.95
    Qty in Cart: 0
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    $1,899.95
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  • Revolution Performance, Llc - RP201-129W - Cylinder Kit - 131" - Black with Highlighted Fins - Twin Cam

    Revolution Performance, Llc - RP201-129W - Cylinder Kit - 131" - Black with Highlighted Fins - Twin Cam

    Revolution Performance

    $1,599.95
    Revolution Performance, Llc - RP201-129W - Cylinder Kit - 131" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,599.95
    Qty in Cart: 0
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    $1,599.95
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  • Revolution Performance, Llc - RP201-126W - Cylinder Kit - 124" - Black with Highlighted Fins - Twin Cam

    Revolution Performance, Llc - RP201-126W - Cylinder Kit - 124" - Black with Highlighted Fins - Twin Cam

    Revolution Performance

    $1,529.95
    Revolution Performance, Llc - RP201-126W - Cylinder Kit - 124" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,529.95
    Qty in Cart: 0
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    $1,529.95
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  • Revolution Performance, Llc - RP201-172WB - Cylinder Kit - 117" - Black with Highlighted Fins - Twin Cam

    Revolution Performance, Llc - RP201-172WB - Cylinder Kit - 117" - Black with Highlighted Fins - Twin Cam

    Revolution Performance

    $1,529.95
    Revolution Performance, Llc - RP201-172WB - Cylinder Kit - 117" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,529.95
    Qty in Cart: 0
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  • Revolution Performance, Llc - RP201-601W - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - 107" M8

    Revolution Performance, Llc - RP201-601W - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - 107" M8

    Revolution Performance

    $1,529.95
    Revolution Performance, Llc - RP201-601W - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,529.95
    Qty in Cart: 0
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    $1,529.95
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  • Revolution Performance, Llc - RP201-174W - Cylinder Kit - 113" - Big Bore - Black with Highlighted Fins - Screamin Eagle | CVO 110" Twin Cam

    Revolution Performance, Llc - RP201-174W - Cylinder Kit - 113" - Big Bore - Black with Highlighted Fins - Screamin Eagle | CVO 110" Twin Cam

    Revolution Performance

    $1,479.95
    Revolution Performance, Llc - RP201-174W - Cylinder Kit - 113" - Big Bore - Black with Highlighted Fins - Screamin Eagle | CVO 110" Twin CamFeaturesrevolution performance logoAerospace-grade...
    $1,479.95
    Qty in Cart: 0
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    $1,479.95
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  • S&S Cycle - 90-4914 - Replacement Electric Compression Release Assembly

    S&S Cycle - 90-4914 - Replacement Electric Compression Release Assembly

    S&S Cycle

    $193.95
    S&S Cycle - 90-4914 - Replacement Electric Compression Release AssemblyFeaturesElectric compression releases open when you press the start button and close when the button is releasedIncludes...
    $193.95
    Qty in Cart: 0
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    $193.95
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  • S&S Cycle - 90-1504 - Cylinder Head Kit - Big Twin

    S&S Cycle - 90-1504 - Cylinder Head Kit - Big Twin

    S&S Cycle

    $1,799.95
    S&S Cycle - 90-1504 - Cylinder Head Kit - Big TwinFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift...
    $1,799.95
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    $1,799.95
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  • S&S Cycle - 90-1004 - Cylinder Head Kit - Big Twin

    S&S Cycle - 90-1004 - Cylinder Head Kit - Big Twin

    S&S Cycle

    $1,949.95
    S&S Cycle - 90-1004 - Cylinder Head Kit - Big TwinFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift...
    $1,949.95
    Qty in Cart: 0
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    $1,949.95
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  • S&S Cycle - 90-1106 - Cylinder Heads - 89 cc - Super Stock® - Twin Cam

    S&S Cycle - 90-1106 - Cylinder Heads - 89 cc - Super Stock® - Twin Cam

    S&S Cycle

    $1,795.95
    S&S Cycle - 90-1106 - Cylinder Heads - 89 cc - Super Stock® - Twin CamFeaturesHeads are fully assembled with springs and valvesDesigned for '99-'05 engines with stock crankcaseGood for touring bikes...
    $1,795.95
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  • S&S Cycle - 33-5353 - Lifters with HL?T Kit

    S&S Cycle - 33-5353 - Lifters with HL?T Kit

    S&S Cycle

    $409.95
    S&S Cycle - 33-5353 - Lifters with HL?T KitFeaturesRollers have a larger-than-stock inner bearing race that reduces stress and increases axle lifeEach lifter body and plunger assembly is hand-fit and...
    $409.95
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    $409.95
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  • S&S Cycle - 330-0378 - High-Quality Tappet Roller Kit

    S&S Cycle - 330-0378 - High-Quality Tappet Roller Kit - Fits 1986-1990 XL; 1984-1999 80" Evolution Big Twin

    S&S Cycle

    $183.95
    S&S Cycle - 330-0378 - High-Quality Tappet Roller KitFeaturesMade from 52100 bearing materialInclude 4340 chromoly axlesSpecs
    $183.95
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  • S&S Cycle - 33-5352 - Hydraulic Tappets - Big Twin

    S&S Cycle - 33-5352 - Hydraulic Tappets - Big Twin

    S&S Cycle

    $381.95
    S&S Cycle - 33-5352 - Hydraulic Tappets - Big TwinFeaturesRollers have a larger-than-stock inner bearing race that reduces stress and increases axle lifeEach lifter body and plunger assembly is...
    $381.95
    Qty in Cart: 0
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    $381.95
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  • S&S Cycle - 930-0129 - Pushrod Cover Keeper Set - Chrome - 2.200"

    S&S Cycle - 930-0129 - Pushrod Cover Keeper Set - Chrome - 2.200"

    S&S Cycle

    $40.95
    S&S Cycle - 930-0129 - Pushrod Cover Keeper Set - Chrome - 2.200"FeaturesFor use in custom applications where stock keepers won't fitChromed steel finishSold in kits of four assemblies; enough for...
    $40.95
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    $40.95
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  • S&S Cycle - 930-0138 - Pushrod Cover Keeper Set - Gloss Black - M8

    S&S Cycle - 930-0138 - Pushrod Cover Keeper Set - Gloss Black - M8

    S&S Cycle

    $40.95
    S&S Cycle - 930-0138 - Pushrod Cover Keeper Set - Gloss Black - M8FeaturesFor use in custom applications where stock keepers won't fitChromed steel finishSold in kits of four assemblies; enough for...
    $40.95
    Qty in Cart: 0
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    $40.95
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  • Revolution Performance, Llc - RP201-119W - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin Cam

    Revolution Performance, Llc - RP201-119W - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin Cam

    Revolution Performance

    $1,479.95
    Revolution Performance, Llc - RP201-119W - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,479.95
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    $1,479.95
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  • Revolution Performance, Llc - RP201-110W - Cylinder Kit - 98" - Big Bore - Natural Silver - Twin Cam

    Revolution Performance, Llc - RP201-110W - Cylinder Kit - 98" - Big Bore - Natural Silver - Twin Cam

    Revolution Performance

    $1,479.95
    Revolution Performance, Llc - RP201-110W - Cylinder Kit - 98" - Big Bore - Natural Silver - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,479.95
    Qty in Cart: 0
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    $1,479.95
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  • Revolution Performance, Llc - RP201-101W - Cylinder Kit - 98" - Big Bore - Natural Silver - Twin Cam

    Revolution Performance, Llc - RP201-101W - Cylinder Kit - 98" - Big Bore - Natural Silver - Twin Cam

    Revolution Performance

    $1,479.95
    Revolution Performance, Llc - RP201-101W - Cylinder Kit - 98" - Big Bore - Natural Silver - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...
    $1,479.95
    Qty in Cart: 0
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    $1,479.95
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  • S&S Cycle - 93-4070 - Pushrod Cover Keeper Set - Chrome - 2.400"

    S&S Cycle - 93-4070 - Pushrod Cover Keeper Set - Chrome - 2.400"

    S&S Cycle

    MSRP: $41.95
    $40.95
    S&S Cycle - 93-4070 - Pushrod Cover Keeper Set - Chrome - 2.400"FeaturesFor use in custom applications where stock keepers won't fitChromed steel finishSold in kits of four assemblies; enough for one...
    MSRP: $41.95
    $40.95
    Qty in Cart: 0
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    MSRP: $41.95
    $40.95
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  • S&S Cycle - 93-4115 - Pushrod Cover Keeper Set - Chrome - 2.800"

    S&S Cycle - 93-4115 - Pushrod Cover Keeper Set - Chrome - 2.800"

    S&S Cycle

    $40.95
    S&S Cycle - 93-4115 - Pushrod Cover Keeper Set - Chrome - 2.800"FeaturesFor use in custom applications where stock keepers won't fitChromed steel finishSold in kits of four assemblies; enough for one...
    $40.95
    Qty in Cart: 0
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    $40.95
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  • S&S Cycle - 930-0123 - Quickee Pushrod Kit with Chrome Covers - M8

    S&S Cycle - 930-0123 - Quickee Pushrod Kit with Chrome Covers - M8

    S&S Cycle

    $314.95
    S&S Cycle - 930-0123 - Quickee Pushrod Kit with Chrome Covers - M8FeaturesKit includes four S&S Quickee pushrods, four pushrod covers and O-ringsPushrods are manufactured from chromoly steel for...
    $314.95
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    $314.95
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  • S&S Cycle - 93-4106 - Pushrod Cover Keeper Set - Chrome - 3.330"

    S&S Cycle - 93-4106 - Pushrod Cover Keeper Set - Chrome - 3.330"

    S&S Cycle

    $40.95
    S&S Cycle - 93-4106 - Pushrod Cover Keeper Set - Chrome - 3.330"FeaturesFor use in custom applications where stock keepers won't fitChromed steel finishSold in kits of four assemblies; enough for one...
    $40.95
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    $40.95
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  • S&S Cycle - 930-0053 - Time Saver Pushrods - Twin Cam

    S&S Cycle - 930-0053 - Time Saver Pushrods - Twin Cam

    S&S Cycle

    $214.95
    S&S Cycle - 930-0053 - Time Saver Pushrods - Twin CamFeatures.4375” diameter pushrods adjust from 8.750" - 10.750"Removal of rocker boxes is not required for installationAdjusting end is a huge .354"...
    $214.95
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    $214.95
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  • S&S Cycle - 930-0024 - Adjustable Pushrod Cover Kit - XL

    S&S Cycle - 930-0024 - Adjustable Pushrod Cover Kit - XL

    S&S Cycle

    $278.95
    S&S Cycle - 930-0024 - Adjustable Pushrod Cover Kit - XLFeaturesKit includes four S&S adjustable pushrods, four pushrod covers and O-ringsPushrods are manufactured from chromoly steel for superior...
    $278.95
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    $278.95
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  • S&S Cycle - 930-0023 - Quickee Pushrod Kit with Chrome Covers - XL

    S&S Cycle - 930-0023 - Quickee Pushrod Kit with Chrome Covers - XL

    S&S Cycle

    $326.95
    S&S Cycle - 930-0023 - Quickee Pushrod Kit with Chrome Covers - XLFeaturesKit includes four S&S Quickee pushrods, four pushrod covers and O-ringsPushrods are manufactured from chromoly steel for...
    $326.95
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    $326.95
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  • S&S Cycle - 106-6051 - Quickee Pushrod Kit with Chrome Covers - Twin Cam

    S&S Cycle - 106-6051 - Quickee Pushrod Kit with Chrome Covers - Twin Cam

    S&S Cycle

    $309.95
    S&S Cycle - 106-6051 - Quickee Pushrod Kit with Chrome Covers - Twin CamFeaturesKit includes four S&S Quickee pushrods, four pushrod covers and O-ringsPushrods are manufactured from chromoly steel...
    $309.95
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    $309.95
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  • S&S Cycle - 900-1084 - Roller Rocker Arms - M8 S&S Cycle - 900-1084 - Roller Rocker Arms - M8

    S&S Cycle - 900-1084 - Roller Rocker Arms - M8

    S&S Cycle

    $674.95
    S&S Cycle - 900-1084 - Roller Rocker Arms - M8FeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the ...
    $674.95
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    $674.95
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  • S&S Cycle - 900-1092 - Rocker Arm Guardian Kit - M8 S&S Cycle - 900-1092 - Rocker Arm Guardian Kit - M8

    S&S Cycle - 900-1092 - Rocker Arm Guardian Kit - M8

    S&S Cycle

    $917.95
    S&S Cycle - 900-1092 - Rocker Arm Guardian Kit - M8FeaturesRocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kitRocker Arm ShaftsReplace...
    $917.95
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    $917.95
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  • S&S Cycle - 900-1087 - Rocker Arm Rebuild Kit - M8

    S&S Cycle - 900-1087 - Rocker Arm Rebuild Kit - M8

    S&S Cycle

    $167.95
    S&S Cycle - 900-1087 - Rocker Arm Rebuild Kit - M8FeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of...
    $167.95
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    $167.95
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  • S&S Cycle - 900-4119FA - Forged Standard Rocker Arm

    S&S Cycle - 900-4119FA - Forged Standard Rocker Arm

    S&S Cycle

    MSRP: $122.95
    $84.95
    S&S Cycle - 900-4119FA - Forged Standard Rocker ArmFeaturesAn economical solution for stock rebuilds, and mild performance upgradesForged from 8620 steel for greater strength than stock or cast...
    MSRP: $122.95
    $84.95
    Qty in Cart: 0
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    MSRP: $122.95
    $84.95
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  • S&S Cycle - 900-4065A - Roller Rocker Arms

    S&S Cycle - 900-4065A - Roller Rocker Arms

    S&S Cycle

    MSRP: $652.95
    $649.95
    S&S Cycle - 900-4065A - Roller Rocker ArmsFeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the .50"...
    MSRP: $652.95
    $649.95
    Qty in Cart: 0
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    MSRP: $652.95
    $649.95
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  • S&S Cycle - 900-4098A - Roller Rocker Arms

    S&S Cycle - 900-4098A - Roller Rocker Arms

    S&S Cycle

    $695.95
    S&S Cycle - 900-4098A - Roller Rocker ArmsFeaturesMachined from 8620 forged steel and heat treated for maximum strengthFeature the exclusive .750" long S&S rocker arm bushing which provides 50% more...
    $695.95
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    $695.95
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  • S&S Cycle - 900-4119A - Non-Roller Rocker Arms

    S&S Cycle - 900-4119A - Non-Roller Rocker Arms

    S&S Cycle

    $334.95
    S&S Cycle - 900-4119A - Non-Roller Rocker ArmsFeaturesAn economical solution for stock rebuilds, and mild performance upgradesForged from 8620 steel for greater strength than stock or cast...
    $334.95
    Qty in Cart: 0
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    $334.95
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  • S&S Cycle - 90-4104 - Rocker Arm Rebuild Kit

    S&S Cycle - 90-4104 - Rocker Arm Rebuild Kit

    S&S Cycle

    $163.95
    S&S Cycle - 90-4104 - Rocker Arm Rebuild KitFeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the .50"...
    $163.95
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    $163.95
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  • S&S Cycle - 900-0958 - Spring Kit - .605" - M8

    S&S Cycle - 900-0958 - Spring Kit - .605" - M8

    S&S Cycle

    $395.95
    S&S Cycle - 900-0958 - Spring Kit - .605" - M8FeaturesUnique S&S design dual-spring kit reduces the risk of valve floatIncludes springs, top and bottom collars, keeper shims and valve sealsMade in...
    $395.95
    Qty in Cart: 0
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    $395.95
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  • S&S Cycle - 90-2212 - Valve Guide - +0.002" - Twin Cam | XL

    S&S Cycle - 90-2212 - Valve Guide - +0.002" - Twin Cam | XL

    S&S Cycle

    MSRP: $125.95
    $95.95
    S&S Cycle - 90-2212 - Valve Guide - +0.002" - Twin Cam | XLFeaturesCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures aprox. 0.309"/0.310"...
    MSRP: $125.95
    $95.95
    Qty in Cart: 0
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    MSRP: $125.95
    $95.95
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  • S&S Cycle - 90-2211 - Valve Guide - +0.001" - Twin Cam | XL

    S&S Cycle - 90-2211 - Valve Guide - +0.001" - Twin Cam | XL

    S&S Cycle

    MSRP: $81.95
    $69.95
    S&S Cycle - 90-2211 - Valve Guide - +0.001" - Twin Cam | XLFeaturesCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures aprox. 0.309"/0.310"...
    MSRP: $81.95
    $69.95
    Qty in Cart: 0
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    MSRP: $81.95
    $69.95
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  • S&S Cycle - 900-0594 - Springs - .585" - Twin Cam

    S&S Cycle - 900-0594 - Springs - .585" - Twin Cam

    S&S Cycle

    $183.95
    S&S Cycle - 900-0594 - Springs - .585" - Twin CamFeaturesUnique S&S design dual-spring kit reduces the risk of valve floatIncludes springs, top and bottom collars, keeper shims and valve sealsMade in...
    $183.95
    Qty in Cart: 0
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    $183.95
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About Engine

 

Harley Engine Parts for Rebuilds and Performance

From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.

Shop Engine Parts

We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.

Not Sure It Fits?

Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.